CN202106367U

CN202106367U - Lifting jack handle

Info

Publication number: CN202106367U
Application number: CN2011201926875U
Authority: CN
Inventors: 陈斌; 范晓明
Original assignee: Changshu Tongrun Auto Accessory Co Ltd
Current assignee: Changshu Tongrun Auto Accessory Co Ltd
Priority date: 2011-06-09
Filing date: 2011-06-09
Publication date: 2012-01-11
Anticipated expiration: 2021-06-09

Abstract

A lifting jack handle belongs to the technical field of lifting jack accessories. The lifting jack handle comprises a handle pipe body and a handle head, wherein the handle head is combined with the tail end of the handle pipe body; an oil return valve matching hole is formed in the center of the handle head; a handle head stack edge is formed in the circumferential direction of the handle head and faces to the tail end of the handle pipe body; the tail end of the handle pipe body extends to the inner side of the handle head stack edge; and a reinforcing bar is additionally arranged between the bottom edge of the handle head stack edge and the outer wall of the tail end of the handle pipe body. The lifting jack handle has the advantages that the consumption of raw materials is low; metalworking to the pipe cavity of the handle pipe body and the handle head is not needed, so as to simplify manufacture and favor industrialized scaled-up production; and the handle head and the handle pipe body are combined with each other reliably.

Description

Jack handle

Technical field

The utility model belongs to jack attachment technique field, is specifically related to a kind of jack handle

Background technology

can be seen in from Chinese patent documentation about the technical information of jack handle, like the novel license notification number of practicality CN2343143Y (the scissors jack is used telescopic operating grip).And for example CN2890009Y (with 180 the degree rotary handles jack).Typical in application and CN201677307U (adjustable jack) and CN201769188U (a kind of jack handle of architecture advances) that authorized by the applicant.

The achievement of above-mentioned CN201769188U is: design caulking groove and groove on the handle head of handle tube; Perhaps handle head is controlled with caulking groove by being configured in the hand screw of pressing on hand of pressing with cooperating of groove; For example press hand certainly together with handle head and upwards dial time-out when handle tube; Press the hand screw and match with groove, this moment, handle tube can rotate.Otherwise when pressing hand screw 4 and cooperate with caulking groove, then handle tube can not rotate, and reaches self-locking, uses to prevent to unscrew oil return valve because of the maloperation handle tube, causes being fallen and accidents caused (specifically can referring to the 13rd section in specification) by the lifting thing.

The positive effect of above-mentioned CN201677307U is: need not turning handle and just can control oil return valve; Prevent to rotate, cause oil return valve loosening and cause jack and produce and do not eat pressures (pressure-bearing) or and appearance is fallen by the weight of lifting because of misoperation causes handle tube.This patent scheme and last patent (CN201769188U) have the effect that plays the same tune on different musical instruments.

There is logical fraud in above-mentioned patent; That is exactly that handle head is lost reasonability with cooperating of handle tube body, causes processing and assembling trouble, for the ease of explanation; The applicant illustrates the jack handle in the prior art with Fig. 2; Comprise handle tube body 1 and handle head 2, handle head 2 is fixed with the tube chamber of inserting embedding mode and handle tube body 1, in order to ensure the fiting effect between handle head 2 and the handle tube body 1; On handle tube body 1 and offering rivet clasp hole or solid welding hole 11 corresponding to the position of handle head 2, with rivet or through welding with handle head 2 in the rivet clasp hole or the position in solid welding hole 11 fix with handle tube body 1.There is following technical problem at least in above-mentioned structure shown in Figure 2; One of which; The material consumption amount is big, because be received into for a part that makes handle head 2 in the tube chamber of handle tube body 1; Therefore must make handle head 2 have enough length, otherwise can't be by means of rivet clasp hole or solid welding hole 11 that handle head and handle tube body 1 is fixing; Its two, make trouble, handle head 2 needs to rely on metalworkings and makes, and needs make suitable processed to the inwall of handle tube body 1, is difficult to hold to avoid handle head; Its three since aforementioned factor two, promptly make trouble, thereby be difficult to satisfy the industrialized mass production requirement; Its four, handle head 2 combines effect to be difficult to rely on rivet clasp hole or solid welding hole 11 to be able to ensure with integral body between the handle tube body 1.

In view of the existing deficiency of above-mentioned prior art, thereby still have improved necessity, for this reason, the applicant has made good try, and the technical scheme that will introduce below produces in this case

Summary of the invention

The task of the utility model is to provide a kind of and helps to save material and use economizing type and the energy-saving economic spirit advocated with the whole society at present and adapt, help simplified structure and use and avoid the making trouble that the operation because of metalworking and so on causes and can satisfy industrial amplification production requiring and being of value to and ensureing that both reliable connection effects of handle head and handle tube body 1 are used and avoid both jack handles loosening and even decomposition.

The task of the utility model is accomplished like this; A kind of jack handle; Comprise handle tube body and the handle head with the oil return valve mating holes end that is incorporated into the handle tube body and central; The circumferencial direction of described handle head constitutes button stack limit on the other hand; This handle head stack limit is towards the end of said handle tube body, and the end of handle tube body is insinuated into the inboard on described handle head stack limit, wherein: have additional finishing strips between the outer wall of the edge, the end on stack limit and the end of handle tube body.

The described oil return valve mating holes of the utility model is a polygonal hole.

described polygonal hole of the utility model is quadrilateral hole or hexagonal hole.

The terminal narrow necking part that shortened into of described handle tube body of the utility model, described handle head is incorporated into the end of necking part.

described finishing strips of the utility model is a welding material.

The technical scheme that the utility model provides with respect to prior art have raw materials consumption few, need not to the tube chamber of handle tube body and handle head do metalworking and make make terse and help industrial amplification production and handle head and handle tube body between combine reliable strong point.

Description of drawings

Fig. 1 is the example structure figure of the utility model.

Fig. 2 is the structure chart of the jack handle in the prior art.

The specific embodiment

Fig. 1 is asked for an interview in ; Provided the handle tube body 1 that promptly constitutes tube chamber of hollow; The end of this handle tube body 1; More properly say handle tube body 1 towards narrow the contracting of an end of handle head 2 and be formed with a necking part 11, the alleged here narrow notion that contracts is meant that the diameter of necking down 11 is littler than the diameter of handle tube body 1.On the other hand button 2 is attached to the end of handle tube body 1 with impact style, promptly is attached to the end of necking down 11.In punching course, handle head stack limit 22 envelopes of the circumferencial direction of handle head 2 are to the end of handle tube body 1, and promptly envelope is to the end of necking down 11; In punching press, the oil return valve mating holes 21 of the central authorities of handle head 2 is shaped simultaneously.The effect that combines in order to ensure the excellence between handle head 2 and the handle tube body 1; So; The end on aforesaid handle head stack limit 22 along 221 and the outer wall of the end of handle tube body 1 between preferably set up finishing strips 2211 through welding manner; That is to say, constitute finishing strips 2211 by welding material.In the present embodiment; Aforesaid oil return valve mating holes 21 is a quadrilateral hole; But do not repel hexagonal hole or similar polygonal hole, as long as the suitable requirement of valve head of the oil return valve on satisfied and the jack, corresponding change just takes place in the hole shape of oil return valve mating holes 21; That is, oil return valve mating holes 21 is the relation of following in sb's footsteps with the shape of oil return valve valve head.

The utility model has reached goal of the invention by the structure that the foregoing description discloses, and has overcome the shortcoming in the prior art, has embodied due technique effect, thereby to can yet be regarded as be a ultimate attainment structural design

Claims

1. jack handle; Comprise handle tube body (1) and be incorporated into handle tube body (1) end and central authorities have the handle head (2) of oil return valve mating holes (21); The circumferencial direction that it is characterized in that described handle head (2) constitutes button stack limit (22) on the other hand; This handle head stack limit (22) is towards the end of said handle tube body (1); And the end of handle tube body (1) is insinuated into the inboard on described handle head stack limit (22), and wherein: the end of stack limit (22) has additional finishing strips (2211) between the outer wall of the end of (221) and handle tube body (1).

2. jack handle according to claim 1 is characterized in that described oil return valve mating holes (21) is polygonal hole.

3. jack handle according to claim 2 is characterized in that described polygonal hole is quadrilateral hole or hexagonal hole.

4. jack handle according to claim 1 is characterized in that the terminal narrow necking part (11) that shortened into of described handle tube body (1), and described handle head (2) is incorporated into the end of necking part (11).

5. jack handle according to claim 1 is characterized in that described finishing strips (2211) is a welding material.